Craig A Walling*, Daniel H Nussey, Alison Morris, Tim H Clutton-Brock, Loeske EB Kruuk and Josephine M Pemberton
* Corresponding author: Craig A Walling craig.walling@ed.ac.uk
BMC Evolutionary Biology 2011, 11:318 doi:10.1186/1471-2148-11-318
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